British SS Lurigethan is bombed and set on fire by a German Fw200 aircraft 200 miles West of Ireland (15 crew and 1 gunner killed, 35 crew rescued by corvette HMS Arabis). Lurigethan will be sunk by U-105 on January 26.
British aircraft carrier HMS Illustrious, damaged by Stukas on January 10, is repaired enough to sail with much of her heavy equipment removed. She leaves Malta for Alexandria, Egypt, escorted by destroyers HMS Jervis, Juno, Janus and Greyhound.
German pocket battleships Scharnhorst and Gneisenau are spotted in the Great Belt (between mainland Denmark and the island of Zealand) by a British agent who alerts the Admiralty in London.
Operation Compass. British minesweeping trawlers HMT Arthur Cavanagh and HMT Milford Countess begin clearing sunken Italian ships from the harbour at Tobruk.